Rotation angle measuring device with magnetized commutator
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United States of America Patent
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Mar 23, 2004
Grant Date -
N/A
app pub date -
Nov 27, 2000
filing date -
Feb 21, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a rotation angle measuring device for an electrical machine. To provide a simple and compact measuring device of this kind, the invention provides for the commutator of the machine to be magnetized and for the magnetic field which rotates with the commutator to be evaluated by means of a suitable sensor. Advantageous improvements relate to a suitable structure for the commutator.
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